#!/bin/sh msg() { echo "configure: $1" } step_msg() { msg msg "$1" msg } warn() { echo "configure: WARNING: $1" } err() { echo "configure: error: $1" exit 1 } need_ok() { if [ $? -ne 0 ] then err "$1" fi } need_cmd() { if command -v $1 >/dev/null 2>&1 then msg "found $1" else err "need $1" fi } make_dir() { if [ ! -d $1 ] then msg "mkdir -p $1" mkdir -p $1 fi } copy_if_changed() { if cmp -s $1 $2 then msg "leaving $2 unchanged" else msg "cp $1 $2" cp -f $1 $2 chmod u-w $2 # make copied artifact read-only fi } move_if_changed() { if cmp -s $1 $2 then msg "leaving $2 unchanged" else msg "mv $1 $2" mv -f $1 $2 chmod u-w $2 # make moved artifact read-only fi } putvar() { local T eval T=\$$1 eval TLEN=\${#$1} if [ $TLEN -gt 35 ] then printf "configure: %-20s := %.35s ...\n" $1 "$T" else printf "configure: %-20s := %s %s\n" $1 "$T" "$2" fi printf "%-20s := %s\n" $1 "$T" >>config.tmp } probe() { local V=$1 shift local P local T for P do T=$(command -v $P 2>&1) if [ $? -eq 0 ] then VER0=$($P --version 2>/dev/null | head -1 \ | sed -e 's/[^0-9]*\([vV]\?[0-9.]\+[^ ]*\).*/\1/' ) if [ $? -eq 0 -a "x${VER0}" != "x" ] then VER="($VER0)" else VER="" fi break else VER="" T="" fi done eval $V=\$T putvar $V "$VER" } probe_need() { local V=$1 probe $* eval VV=\$$V if [ -z "$VV" ] then err "needed, but unable to find any of: $*" fi } validate_opt () { for arg in $CFG_CONFIGURE_ARGS do isArgValid=0 for option in $BOOL_OPTIONS do if test --disable-$option = $arg then isArgValid=1 fi if test --enable-$option = $arg then isArgValid=1 fi done for option in $VAL_OPTIONS do if echo "$arg" | grep -q -- "--$option=" then isArgValid=1 fi done if [ "$arg" = "--help" ] then echo echo "No more help available for Configure options," echo "check the Wiki or join our IRC channel" break else if test $isArgValid -eq 0 then err "Option '$arg' is not recognized" fi fi done } valopt() { VAL_OPTIONS="$VAL_OPTIONS $1" local OP=$1 local DEFAULT=$2 shift shift local DOC="$*" if [ $HELP -eq 0 ] then local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_') local V="CFG_${UOP}" eval $V="$DEFAULT" for arg in $CFG_CONFIGURE_ARGS do if echo "$arg" | grep -q -- "--$OP=" then val=$(echo "$arg" | cut -f2 -d=) eval $V=$val fi done putvar $V else if [ -z "$DEFAULT" ] then DEFAULT="" fi OP="${OP}=[${DEFAULT}]" printf " --%-30s %s\n" "$OP" "$DOC" fi } opt() { BOOL_OPTIONS="$BOOL_OPTIONS $1" local OP=$1 local DEFAULT=$2 shift shift local DOC="$*" local FLAG="" if [ $DEFAULT -eq 0 ] then FLAG="enable" else FLAG="disable" DOC="don't $DOC" fi if [ $HELP -eq 0 ] then for arg in $CFG_CONFIGURE_ARGS do if [ "$arg" = "--${FLAG}-${OP}" ] then OP=$(echo $OP | tr 'a-z-' 'A-Z_') FLAG=$(echo $FLAG | tr 'a-z' 'A-Z') local V="CFG_${FLAG}_${OP}" eval $V=1 putvar $V fi done else if [ ! -z "$META" ] then OP="$OP=<$META>" fi printf " --%-30s %s\n" "$FLAG-$OP" "$DOC" fi } msg "looking for configure programs" need_cmd cmp need_cmd mkdir need_cmd printf need_cmd cut need_cmd head need_cmd grep need_cmd xargs need_cmd cp need_cmd find need_cmd uname need_cmd date need_cmd tr need_cmd sed need_cmd file msg "inspecting environment" CFG_OSTYPE=$(uname -s) CFG_CPUTYPE=$(uname -m) if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ] then # Darwin's `uname -s` lies and always returns i386. We have to use sysctl # instead. if sysctl hw.optional.x86_64 | grep -q ': 1' then CFG_CPUTYPE=x86_64 fi fi # The goal here is to come up with the same triple as LLVM would, # at least for the subset of platforms we're willing to target. case $CFG_OSTYPE in Linux) CFG_OSTYPE=unknown-linux-gnu ;; FreeBSD) CFG_OSTYPE=unknown-freebsd ;; Darwin) CFG_OSTYPE=apple-darwin ;; MINGW32*) CFG_OSTYPE=pc-mingw32 ;; MINGW64*) # msys2, MSYSTEM=MINGW64 CFG_OSTYPE=w64-mingw32 ;; # Thad's Cygwin identifers below # Vista 32 bit CYGWIN_NT-6.0) CFG_OSTYPE=pc-mingw32 CFG_CPUTYPE=i686 ;; # Vista 64 bit CYGWIN_NT-6.0-WOW64) CFG_OSTYPE=w64-mingw32 CFG_CPUTYPE=x86_64 ;; # Win 7 32 bit CYGWIN_NT-6.1) CFG_OSTYPE=pc-mingw32 CFG_CPUTYPE=i686 ;; # Win 7 64 bit CYGWIN_NT-6.1-WOW64) CFG_OSTYPE=w64-mingw32 CFG_CPUTYPE=x86_64 ;; # We do not detect other OS such as XP/2003 using 64 bit using uname. # If we want to in the future, we will need to use Cygwin - Chuck's csih helper in /usr/lib/csih/winProductName.exe or alternative. *) err "unknown OS type: $CFG_OSTYPE" ;; esac case $CFG_CPUTYPE in i386 | i486 | i686 | i786 | x86) CFG_CPUTYPE=i686 ;; xscale | arm) CFG_CPUTYPE=arm ;; x86_64 | x86-64 | x64 | amd64) CFG_CPUTYPE=x86_64 ;; *) err "unknown CPU type: $CFG_CPUTYPE" esac # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ] then file -L "$SHELL" | grep -q "x86[_-]64" if [ $? != 0 ]; then CFG_CPUTYPE=i686 fi fi DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}" CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/" CFG_BUILD_DIR="$(pwd)/" CFG_SELF="$0" CFG_CONFIGURE_ARGS="$@" OPTIONS="" HELP=0 if [ "$1" = "--help" ] then HELP=1 shift echo echo "Usage: $CFG_SELF [options]" echo echo "Options:" echo else msg "recreating config.tmp" echo '' >config.tmp step_msg "processing $CFG_SELF args" fi BOOL_OPTIONS="" VAL_OPTIONS="" opt valgrind 0 "run tests with valgrind (memcheck by default)" opt helgrind 0 "run tests with helgrind instead of memcheck" opt docs 1 "build documentation" opt optimize 1 "build optimized rust code" opt optimize-cxx 1 "build optimized C++ code" opt optimize-llvm 1 "build optimized LLVM" opt optimize-tests 1 "build tests with optimizations" opt llvm-assertions 1 "build LLVM with assertions" opt debug 1 "build with extra debug fun" opt ratchet-bench 0 "ratchet benchmarks" opt fast-make 0 "use .gitmodules as timestamp for submodule deps" opt manage-submodules 1 "let the build manage the git submodules" opt mingw-cross 0 "cross-compile for win32 using mingw" opt clang 0 "prefer clang to gcc for building the runtime" opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds" opt local-rust 0 "use an installed rustc rather than downloading a snapshot" opt pax-flags 0 "apply PaX flags to rustc binaries (required for GRSecurity/PaX-patched kernels)" opt inject-std-version 1 "inject the current compiler version of libstd into programs" opt rpath 1 "build rpaths into rustc itself" opt nightly 0 "build nightly packages" opt verify-install 1 "verify installed binaries work" valopt prefix "/usr/local" "set installation prefix" valopt local-rust-root "/usr/local" "set prefix for local rust binary" valopt llvm-root "" "set LLVM root" valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path" valopt mingw32-cross-path "" "MinGW32 cross compiler path" valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple" valopt host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples" valopt target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples" valopt localstatedir "/var/lib" "local state directory" valopt sysconfdir "/etc" "install system configuration files" valopt datadir "${CFG_PREFIX}/share" "install data" valopt infodir "${CFG_PREFIX}/share/info" "install additional info" valopt mandir "${CFG_PREFIX}/share/man" "install man pages in PATH" # On windows we just store the libraries in the bin directory because # there's no rpath. This is where the build system itself puts libraries; # --libdir is used to configure the installation directory. # FIXME: Thise needs to parameterized over target triples. Do it in platform.mk CFG_LIBDIR_RELATIVE=lib if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ] then CFG_LIBDIR_RELATIVE=bin fi valopt libdir "${CFG_PREFIX}/${CFG_LIBDIR_RELATIVE}" "install libraries" if [ $HELP -eq 1 ] then echo exit 0 fi # Validate Options step_msg "validating $CFG_SELF args" validate_opt step_msg "looking for build programs" probe_need CFG_PERL perl probe_need CFG_CURLORWGET curl wget probe_need CFG_PYTHON python2.7 python2.6 python2 python python_version=$($CFG_PYTHON -V 2>&1) if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then err "Found $python_version, but LLVM requires Python 2.4-2.7" fi # If we have no git directory then we are probably a tarball distribution # and shouldn't attempt to load submodules if [ ! -e ${CFG_SRC_DIR}.git ] then probe CFG_GIT git msg "git: no git directory. disabling submodules" CFG_DISABLE_MANAGE_SUBMODULES=1 else probe_need CFG_GIT git fi probe CFG_CLANG clang++ probe CFG_CCACHE ccache probe CFG_GCC gcc probe CFG_LD ld probe CFG_VALGRIND valgrind probe CFG_PERF perf probe CFG_ISCC iscc probe CFG_LLNEXTGEN LLnextgen probe CFG_PANDOC pandoc probe CFG_PDFLATEX pdflatex probe CFG_XELATEX xelatex probe CFG_LUALATEX lualatex probe CFG_GDB gdb if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ] then probe CFG_PAXCTL paxctl /sbin/paxctl probe CFG_ZCAT zcat fi step_msg "looking for target specific programs" probe CFG_ADB adb if [ ! -z "$CFG_PANDOC" ] then PV_MAJOR_MINOR=$(pandoc --version | grep '^pandoc ' | # extract the first 2 version fields, ignore everything else sed 's/pandoc \([0-9]*\)\.\([0-9]*\).*/\1 \2/') MIN_PV_MAJOR="1" MIN_PV_MINOR="9" # these patterns are shell globs, *not* regexps PV_MAJOR=${PV_MAJOR_MINOR% *} PV_MINOR=${PV_MAJOR_MINOR#* } if [ "$PV_MAJOR" -lt "$MIN_PV_MAJOR" ] || [ "$PV_MINOR" -lt "$MIN_PV_MINOR" ] then step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. Need at least $MIN_PV_MAJOR.$MIN_PV_MINOR. Disabling" BAD_PANDOC=1 fi fi if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ] then if [ ! -z "$CFG_ENABLE_PAX_FLAGS" -a -z "$CFG_PAXCTL" ] then err "enabled PaX markings but no paxctl binary found" fi if [ -z "$CFG_DISABLE_PAX_FLAGS" ] then # GRSecurity/PaX detection. This can be very flaky. GRSEC_DETECTED= # /dev/grsec only exists if CONFIG_GRKERNSEC_NO_RBAC is not set. # /proc/sys/kernel/grsecurity is not available if ÇONFIG_GRKERNSEC_SYSCTL is not set. if [ -e /dev/grsec -o -d /proc/sys/kernel/grsecurity ] then GRSEC_DETECTED=1 # /proc/config.gz is normally only available to root, and only if CONFIG_IKCONFIG_PROC has been set. elif [ -r /proc/config.gz -a ! -z "$CFG_ZCAT" ] then if "$CFG_ZCAT" /proc/config.gz | grep --quiet "CONFIG_GRKERNSEC=y" then GRSEC_DETECTED=1 fi # Flaky. elif grep --quiet grsec /proc/version then GRSEC_DETECTED=1 fi if [ ! -z "$GRSEC_DETECTED" ] then step_msg "GRSecurity: yes" if [ ! -z "$CFG_PAXCTL" ] then CFG_ENABLE_PAX_FLAGS=1 else warn "GRSecurity kernel detected but no paxctl binary found: not setting CFG_ENABLE_PAX_FLAGS" fi else step_msg "GRSecurity: no" fi fi fi BIN_SUF= if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ] then BIN_SUF=.exe fi if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ] then if [ ! -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ] then err "no local rust to use" else LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} --version` step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV" fi fi # Force freebsd to build with clang; gcc doesn't like us there if [ $CFG_OSTYPE = unknown-freebsd ] then step_msg "on FreeBSD, forcing use of clang" CFG_ENABLE_CLANG=1 putvar CFG_ENABLE_CLANG fi if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ] then err "either clang or gcc is required" fi # OS X 10.9, gcc is actually clang. This can cause some confusion in the build # system, so if we find that gcc is clang, we should just use clang directly. if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ] then CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version") if [ $? -eq 0 ] then step_msg "on OS X 10.9, forcing use of clang" CFG_ENABLE_CLANG=1 putvar CFG_ENABLE_CLANG else # on OS X, with xcode 5 and newer, certain developers may have # cc, gcc and g++ point to a mixture of clang and gcc # if so, this will create very strange build errors # this last stanza is to detect some such problems and save the future rust # contributor some time solving that issue. # this detection could be generalized to other OSes aside from OS X # but the issue seems most likely to happen on OS X chk_cc () { $1 --version 2> /dev/null | grep -q $2 } # check that gcc, cc and g++ all point to the same compiler. # note that for xcode 5, g++ points to clang, not clang++ if !((chk_cc gcc clang && chk_cc g++ clang) || (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))) then err "the gcc and g++ in your path point to different compilers. Check which versions are in your path with cc --version and g++ --version. To resolve this problem, either fix your PATH or run configure with --enable-clang" fi fi fi if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ] then step_msg "using custom LLVM at $CFG_LLVM_ROOT" LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config" LLVM_VERSION=$($LLVM_CONFIG --version) case $LLVM_VERSION in (3.[2-5]*) msg "found ok version of LLVM: $LLVM_VERSION" ;; (*) err "bad LLVM version: $LLVM_VERSION, need >=3.0svn" ;; esac fi if [ ! -z "$CFG_ENABLE_CLANG" ] then if [ -z "$CFG_CLANG" ] then err "clang requested but not found" fi CFG_CLANG_VERSION=$("$CFG_CLANG" \ --version \ | grep version \ | sed 's/.*\(version .*\)/\1/; s/.*based on \(LLVM .*\))/\1/' \ | cut -d ' ' -f 2) case $CFG_CLANG_VERSION in (3.0svn | 3.0 | 3.1* | 3.2* | 3.3* | 3.4* | 3.5* ) step_msg "found ok version of CLANG: $CFG_CLANG_VERSION" CFG_C_COMPILER="clang" ;; (*) err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn" ;; esac else CFG_C_COMPILER="gcc" fi if [ ! -z "$CFG_ENABLE_CCACHE" ] then if [ -z "$CFG_CCACHE" ] then err "ccache requested but not found" fi CFG_C_COMPILER="ccache $CFG_C_COMPILER" fi # a little post-processing of various config values CFG_PREFIX=${CFG_PREFIX%/} CFG_MANDIR=${CFG_MANDIR%/} CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')" CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')" CFG_SUPPORTED_TARGET="$(grep ^CC_*=* ${CFG_SRC_DIR}mk/platform.mk | sed -e 's/^CC_//' -e 's/\([^=]*\).*/\1/' | xargs)" # copy host-triples to target-triples so that hosts are a subset of targets V_TEMP="" for i in $CFG_HOST $CFG_TARGET; do echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i" done CFG_TARGET=$V_TEMP # check target-specific tool-chains for i in $CFG_TARGET do L_CHECK=false for j in $CFG_SUPPORTED_TARGET do if [ $i = $j ] then L_CHECK=true fi done if [ $L_CHECK = false ] then err "unsupported target triples \"$i\" found" fi case $i in arm-linux-androideabi) if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc ] then err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc not found" fi if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ ] then err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ not found" fi if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar ] then err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar not found" fi ;; arm-apple-darwin) if [ $CFG_OSTYPE != apple-darwin ] then err "The iOS target is only supported on Mac OS X" fi ;; *) ;; esac done if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ] then err "either clang or gcc is required" fi if [ ! -z "$CFG_PERF" ] then HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'` if [ -z "$HAVE_PERF_LOGFD" ]; then CFG_PERF_WITH_LOGFD=1 putvar CFG_PERF_WITH_LOGFD fi fi step_msg "making directories" for i in \ doc doc/std doc/extra \ dl tmp dist do make_dir $i done for t in $CFG_HOST do make_dir $t/llvm done for t in $CFG_HOST do make_dir $t/rustllvm done for t in $CFG_TARGET do make_dir $t/rt for s in 0 1 2 3 do make_dir $t/rt/stage$s make_dir $t/rt/libuv make_dir $t/rt/libuv/src/ares make_dir $t/rt/libuv/src/eio make_dir $t/rt/libuv/src/ev for i in \ isaac sync test \ arch/i386 arch/x86_64 arch/arm arch/mips \ sundown/src sundown/html do make_dir $t/rt/stage$s/$i done done done for h in $CFG_HOST do for t in $CFG_TARGET do for i in 0 1 2 3 do # host bin dir make_dir $h/stage$i/bin # host lib dir make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE # host test dir make_dir $h/stage$i/test # target bin dir make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin # target lib dir make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib done done make_dir $h/test/run-pass make_dir $h/test/run-pass-fulldeps make_dir $h/test/run-fail make_dir $h/test/compile-fail make_dir $h/test/bench make_dir $h/test/perf make_dir $h/test/pretty make_dir $h/test/debug-info make_dir $h/test/codegen make_dir $h/test/doc-tutorial make_dir $h/test/doc-guide-ffi make_dir $h/test/doc-guide-runtime make_dir $h/test/doc-guide-macros make_dir $h/test/doc-guide-lifetimes make_dir $h/test/doc-guide-pointers make_dir $h/test/doc-guide-container make_dir $h/test/doc-guide-tasks make_dir $h/test/doc-complement-cheatsheet make_dir $h/test/doc-rust done # Configure submodules step_msg "configuring submodules" # Have to be in the top of src directory for this if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ] then cd ${CFG_SRC_DIR} msg "git: submodule sync" "${CFG_GIT}" submodule sync msg "git: submodule update" "${CFG_GIT}" submodule update --init need_ok "git failed" msg "git: submodule foreach sync" "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi' need_ok "git failed" msg "git: submodule foreach update" "${CFG_GIT}" submodule update --init --recursive need_ok "git failed" # NB: this is just for the sake of getting the submodule SHA1 values # and status written into the build log. msg "git: submodule status" "${CFG_GIT}" submodule status --recursive msg "git: submodule clobber" "${CFG_GIT}" submodule foreach --recursive git clean -dxf need_ok "git failed" "${CFG_GIT}" submodule foreach --recursive git checkout . need_ok "git failed" cd ${CFG_BUILD_DIR} fi # Configure llvm, only if necessary step_msg "looking at LLVM" CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/ for t in $CFG_HOST do do_reconfigure=1 if [ -z $CFG_LLVM_ROOT ] then LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ] then LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized" # Just use LLVM straight from its build directory to # avoid 'make install' time LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug else LLVM_DBG_OPTS="--enable-optimized" LLVM_INST_DIR=$LLVM_BUILD_DIR/Release fi if [ ! -z "$CFG_DISABLE_LLVM_ASSERTIONS" ] then LLVM_ASSERTION_OPTS="--disable-assertions" else LLVM_ASSERTION_OPTS="--enable-assertions" LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts fi else msg "not reconfiguring LLVM, external LLVM root" # The user is using their own LLVM LLVM_BUILD_DIR= LLVM_INST_DIR=$CFG_LLVM_ROOT do_reconfigure=0 fi if [ ${do_reconfigure} -ne 0 ] then # because git is hilarious, it might have put the module index # in a couple places. index1="${CFG_SRC_DIR}.git/modules/src/llvm/index" index2="${CFG_SRC_DIR}src/llvm/.git/index" for index in ${index1} ${index2} do config_status="${LLVM_BUILD_DIR}/config.status" if test -e ${index} -a \ -e ${config_status} -a \ ${config_status} -nt ${index} then msg "not reconfiguring LLVM, config.status is fresh" do_reconfigure=0 fi done fi if [ ${do_reconfigure} -ne 0 ] then msg "configuring LLVM for $t" LLVM_TARGETS="--enable-targets=x86,x86_64,arm,mips" LLVM_BUILD="--build=$t" LLVM_HOST="--host=$t" LLVM_TARGET="--target=$t" # Disable unused LLVM features LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none" # Disable term-info, linkage of which comes in multiple forms, # making our snapshots incompatible (#9334) LLVM_OPTS="$LLVM_OPTS --disable-terminfo" # Try to have LLVM pull in as few dependencies as possible (#9397) LLVM_OPTS="$LLVM_OPTS --disable-zlib --disable-libffi" # Use win32 native thread/lock apis instead of pthread wrapper. # (llvm's configure tries to find pthread first, so we have to disable it explicitly.) # Also note that pthreads works badly on mingw-w64 systems: #8996 case "$CFG_BUILD" in (*-mingw32) LLVM_OPTS="$LLVM_OPTS --disable-pthreads" ;; esac case "$CFG_C_COMPILER" in ("ccache clang") LLVM_CXX_32="ccache clang++ -m32 -Qunused-arguments" LLVM_CC_32="ccache clang -m32 -Qunused-arguments" LLVM_CXX_64="ccache clang++ -Qunused-arguments" LLVM_CC_64="ccache clang -Qunused-arguments" LLVM_OPTS="$LLVM_OPTS --enable-libcpp" ;; ("clang") LLVM_CXX_32="clang++ -m32 -Qunused-arguments" LLVM_CC_32="clang -m32 -Qunused-arguments" LLVM_CXX_64="clang++ -Qunused-arguments" LLVM_CC_64="clang -Qunused-arguments" LLVM_OPTS="$LLVM_OPTS --enable-libcpp" ;; ("ccache gcc") LLVM_CXX_32="ccache g++ -m32" LLVM_CC_32="ccache gcc -m32" LLVM_CXX_64="ccache g++" LLVM_CC_64="ccache gcc" ;; ("gcc") LLVM_CXX_32="g++ -m32" LLVM_CC_32="gcc -m32" LLVM_CXX_64="g++" LLVM_CC_64="gcc" esac LLVM_CFLAGS_32="-m32" LLVM_CXXFLAGS_32="-m32" LLVM_LDFLAGS_32="-m32" LLVM_CFLAGS_64="" LLVM_CXXFLAGS_64="" LLVM_LDFLAGS_64="" if echo $t | grep -q x86_64 then LLVM_CXX=$LLVM_CXX_64 LLVM_CC=$LLVM_CC_64 LLVM_CFLAGS=$LLVM_CFLAGS_64 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64 LLVM_LDFLAGS=$LLVM_LDFLAGS_64 else LLVM_CXX=$LLVM_CXX_32 LLVM_CC=$LLVM_CC_32 LLVM_CFLAGS=$LLVM_CFLAGS_32 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32 LLVM_LDFLAGS=$LLVM_LDFLAGS_32 fi CXX=$LLVM_CXX CC=$LLVM_CC CFLAGS=$LLVM_CFLAGS CXXFLAGS=$LLVM_CXXFLAGS LDFLAGS=$LLVM_LDFLAGS LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \ $LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON" msg "configuring LLVM with:" msg "$LLVM_FLAGS" export CXX export CC export CFLAGS export CXXFLAGS export LDFLAGS cd $LLVM_BUILD_DIR case $CFG_SRC_DIR in /* | [a-z]:* | [A-Z]:*) ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS ;; *) ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \ $LLVM_FLAGS ;; esac need_ok "LLVM configure failed" cd $CFG_BUILD_DIR fi # Construct variables for LLVM build and install directories for # each target. These will be named # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in # target_triple will be converted to underscore, because bash # variables can't contain hyphens. The makefile will then have to # convert back. CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _) CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _) eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'" eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'" done step_msg "writing configuration" putvar CFG_SRC_DIR putvar CFG_BUILD_DIR putvar CFG_OSTYPE putvar CFG_CPUTYPE putvar CFG_CONFIGURE_ARGS putvar CFG_PREFIX putvar CFG_BUILD putvar CFG_HOST putvar CFG_TARGET putvar CFG_C_COMPILER putvar CFG_LIBDIR putvar CFG_LIBDIR_RELATIVE putvar CFG_DISABLE_MANAGE_SUBMODULES putvar CFG_ANDROID_CROSS_PATH putvar CFG_MINGW32_CROSS_PATH putvar CFG_MANDIR putvar CFG_DISABLE_INJECT_STD_VERSION # Avoid spurious warnings from clang by feeding it original source on # ccache-miss rather than preprocessed input. if [ ! -z "$CFG_ENABLE_CCACHE" ] && [ ! -z "$CFG_ENABLE_CLANG" ] then CFG_CCACHE_CPP2=1 putvar CFG_CCACHE_CPP2 fi if [ ! -z "$CFG_ENABLE_CCACHE" ] then CFG_CCACHE_BASEDIR=${CFG_SRC_DIR} putvar CFG_CCACHE_BASEDIR fi if [ ! -z $BAD_PANDOC ] then CFG_PANDOC= putvar CFG_PANDOC fi # Valgrind is only reliable on Linux. On Windows it doesn't work at all, and # on the Mac the dynamic linker causes Valgrind to emit a huge stream of # errors. if [ $CFG_OSTYPE != unknown-linux-gnu ] && [ $CFG_OSTYPE != apple-darwin ] then CFG_BAD_VALGRIND=1 putvar CFG_BAD_VALGRIND fi putvar CFG_LLVM_ROOT putvar CFG_LLVM_SRC_DIR for t in $CFG_HOST do CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _) CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _) putvar $CFG_LLVM_BUILD_DIR putvar $CFG_LLVM_INST_DIR done # Munge any paths that appear in config.mk back to posix-y perl -i.bak -p -e 's@ ([a-zA-Z]):[/\\]@ /\1/@go;' \ -e 's@\\@/@go;' config.tmp rm -f config.tmp.bak msg copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile move_if_changed config.tmp config.mk rm -f config.tmp touch config.stamp step_msg "complete" msg "run \`make help\`" msg